Home / 4,621,021.30-6,931,995.15-1,587,987.70

Finding the Fourth Proportional to 4,621,021.30, 6,931,995.15 and 1,587,987.70

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Solution

The fourth proportional to 4,621,021.30, 6,931,995.15 and 1,587,987.70 is: 2,382,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621,021.30 : 6,931,995.15 = 1,587,987.70 : x
  2. Step 2: Convert to fraction form
    4,621,021.30/6,931,995.15 = 1,587,987.70/x
  3. Step 3: Cross multiply
    4,621,021.30x = 6,931,995.15 × 1,587,987.70
  4. Step 4: Simplify right side
    4,621,021.30x = 11,007,923,034,659.65
  5. Step 5: Solve for x
    x = 11,007,923,034,659.65/4,621,021.30
  6. Step 6: Final answer
    x = 2,382,140.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.